St. Joseph's College, Gregory Terrace

Year 12 Physics - Semester 2

 

Time

 

Content

Experiments

Resources

 

1½ weeks

 

 

 

 

Heat and its Measurement

 

·      the following terms:

     heat, temperature, thermal expansion, change of state, heat transfer, melting, freezing, boiling, evaporation                     

·      Celsius and Kelvin temperature scales    

·      Laws of Thermodynamics

·      distinguish between heat and temperature

·      Heat Units (Joules)

·      heat capacity and specific heat capacity   

·      Conservation of heat

     transfer                                                         

·      Latent heat and change of state                 

·       Heat formulae:

(a)   DQ = mcDT      (b) Q = MLv

     (c)    Q = MLf

·            investigate the importance of the high specific heat of water

Experiments

 

·      Conservation of thermal energy

·      Specific Heat of

      a  metal

·       Heat of fusion of ice

 

Manipulative Skills 

 

·       measure temperature, pressure and the volume of a gas

·       successfully handle apparatus that allows the student to measure the specific and latent heats of several substances

·       successfully handle apparatus which demonstrates

(a)   (a)   heat transfer

(b)   (b)    thermal expansion

(c)   (c)   mass of a substance

 

Text- Chapter 10

 

 

Videos

·     Mechanical Universe 4

      “Temperature and the Gas Laws”

·       “Evaporation and Boiling”

 

Other Texts

 

·       Physics: Principles and Problems

      ch 12,13,14

·       Elements of Modern Physics

      Book 2 Unit 8

·       Ingram Part 1 ch

·      FOSP Book 2

·      Gardiner Set 33

·      Walters ch 19

·      Essential Physics ch 11,12

 

Diagnostic Aid  No. 12

 

 

 

2 weeks

 

 

 

 

Kinetic Theory and the Gas Laws

 

·      the following terms:

     Universal gas constant,

      Boltzmann’s Constant, Avogadro’s number

·      Heat Units (Joules)                                    

·      Conservation of heat

     transfer                                                         

·      Kinetic theory of gases                             

·      Thermal expansion                                     

·      Ideal Gas Laws

     (a)    Boyle's Law

     (b)    Charles Law

     (c)    Combined Gas Law                             

·      Heat formulae:

     (a)     P1V1 = P2V2

     (b)     V1/V2 = T1/T2

     (c)     P1V1/T1 = P2V2/T2

     (d)     PV = nRT

     (e)     PV = NkT

(f)  (f)      KE = 3/2 kT

·      use experimental data and graphical    methods to verify Boyle’s Law and Charles law

·      explain diffusion, pressure and compressibility of gases using the kinetic model of matter

 

Experiments

 

·      Boyles Law

 

 

Manipulative Skills 

 

·      successfully use  apparatus to verify Boyle’s Law

 

 

Text- Chapter 11

 

 

Videos

 

·     Mechanical Universe 4

      “Temperature and the Gas Laws”

·      “Evaporation and Boiling”

 

Other Texts

 

·      Physics: Principles and Problems

      ch 12,13,14

·      Elements of Modern Physics

      Book 2 Unit 8

·      Ingram Part 1 ch

·      FOSP Book 2

·      Gardiner Set 33

·      Walters ch 19

·      Essential Physics ch 12,13

 

Diagnostic Aid  No. 13

 

 

 

 

2 weeks

 

Quantum Physics

 

·      the following terms:

       photon, quantum, photo-electron, threshold frequency, work function, threshold wave-length, photon energy, stopping potential, intensity, accelerating PD, speed of light, Planck's constant, matter wave, photon momentum, scattering, charge on the electron, electron volt.                                              

·      the photo electric effect:

     (a)     properties

     (b)     failure of classical explanation

     (c)     quantum explanation

     (d)     E = hf, (½mv²) max = hf = hfo

     (e)      the photo cell                                    

·      the quantum theory of light                       

·       Compton effect

      (a)    statement and significance                           

      (b)     momentum of photon = p =  hl          

·      matter waves-

      De Broglie wavelength

·      idenfify and critically analyse physical situations in terms of wave theory and/or quantum theory eg. Inference

·      convert energy from joules to electrons-volts and vice-versa

·     spectra: emission and absorption

·     the following formulae:

                              n5h5

      (a)    r =          4p Kme5

 

                              - 2p5K5me4

      (b)    E =            n5h5

 

      (c)    E2  - E1   =    hf

 

                      -    13.6 ev  for the H atom

      (d)    E =         n5

 

                              c

       (e)    l  =       f                                          

 

·          using models of energy levels of atoms solve problems involving energy levels in atoms and emission spectrums

 

 

 

Text- Chapter 29

 

Videos

 

·     PSSC (a) Photo electric effect (b) Photons; Wave particle Duality (EMA)

 

·     Mechanical Universe 3

“The Millikin’s Experiment”   

 

Other Texts

 

·      Physics: Principles and Problems ch 27

·      Elements of Modern Physics

       Unit 15

·      Ingram Part II ch 6

·      Essential Physics ch 34

·      Physics for a Modern World

      ch 18

 

 

 

Diagnostic Aid  No. 28

 

 

 

2 weeks

 

Atomic Physics

 

·         the meaning of the following terms -

               nucleus, radioactivity, beta radiation, isotope, protons, neutron, atomic mass, spectrum, atomic number, emission spectrum, absorption spectrum, electron volt

·        radioactivity

        (i) history

        (ii) types of radioactivity                       

·          history of discovery of nuclear particles, and the different models                 

·           isotopes and neutrons

·           Bohr model of the atom:

(a)    (a)    postulates

(b)    (b)    energy levels (emission and absorption levels)

(c) limitations           

·         Mass defect and binding energy

·          how light is generated:

          (a) by charged particles

          (b) by the excitation of atoms

·        Predict the emitted photon wavelengths and electron energies from photon and electron collisions with specific atoms.

 

Manipulative Skills  

 

·      use  a spectroscope to view line spectra produced by gas discharge tubes

 

 

 

Text- Chapter 27

 

 

Videos

 

     

·      Structure of the Atom

 

Other Texts

 

·      Physics: Principles and Problems

      ch 28 (ch 20 revision)

·      Elements of Modern Physics

      Book 2 Unit 15

·      Ingram Part II

(a)    (a)    branch activity 4

(b)    (b)    branch activity 5

       (c)  ch 7

·      FOSP Book 2 ch 7

·      Gardiner Set 47

·      Walters ch 25

·      Essential Physics ch 29

·      Physics for a Modern World

      ch 20

 

Diagnostic Aid  No. 29

 

 

 

2 weeks

 

Nuclear Physics

 

·          the meaning of the following terms:

         atomic number,
mass number,
isotope,
proton,
neutron,
positron neutrino,
radio activity,
alpha radiation,
beta radiation,
gamma radiation,
nuclear bombardment,
half life,
artificial radioactivity, bonding energy,
nuclear fission,
breeder reactor,
pair production,
nuclear fission      

·           structure of the nucleus:

          Atomic number, Mass number        

·          methods of radioactive decay and decay equations:  natural, artificial                     

·          solve problems relating to:

         (a)     half-life

 (b)     binding energy

(c)    energy given off in a                     nuclear reaction

·          methods of detecting radiation

·          write decay equations.

·           the major parts of nuclear generators

·           formula:

         Af = Ai /2n where n is the number of

         half lifes

·          analyse graphical representation of the topic

·          critically analyse the importance of specific equipment in nuclear reactors

 

Manipulative Skills 

 

·      operate a Geiger Muller tube and counter correctly

 

Text- Chapter 28